| Mad Tom Brook | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Source1: | Mad Tom Lake |
| Source1 Location: | N of Wilmurt, New York |
| Source1 Coordinates: | 43.4108°N -74.9156°W |
| Mouth: | West Canada Creek |
| Mouth Location: | Wilmurt, New York |
| Mouth Coordinates: | 43.3772°N -74.9339°W[1] |
| Mouth Elevation: | 1280feet |
Mad Tom Brook flows into West Canada Creek west of Wilmurt, New York in Herkimer County, New York.